/*
* bsect (b,rpos,cpos,cnext)
* Print the contents of a board position. "b" has the value of the
* position, "rpos" is the row to start printing, "cpos" is the column to
* start printing, and "cnext" is positive if the position starts at the top
* and negative if it starts at the bottom. The value of "cpos" is checked
* to see if the position is a player's home, since those are printed
* differently.
*/
static void
bsect(int b, int rpos, int cpos, int cnext)
{
int j; /* index */
int n; /* number of men on position */
int bct; /* counter */
int k; /* index */
char pc; /* color of men on position */
bct = 0;
n = abs(b); /* initialize n and pc */
pc = (b > 0 ? 'r' : 'w');
if (n < 6 && cpos < 54) /* position cursor at start */
curmove(rpos, cpos + 1);
else
curmove(rpos, cpos);
for (j = 0; j < 5; j++) { /* print position row by row */
for (k = 0; k < 15; k += 5) /* print men */
if (n > j + k)
fancyc(pc);
if (j < 4) { /* figure how far to back up for next row */
if (n < 6) { /* stop if none left */
if (j + 1 == n)
break;
bct = 1; /* single column */
} else {
if (n < 11) { /* two columns */
if (cpos == 54) { /* home pos */
if (j + 5 >= n)
bct = 1;
else
bct = 2;
}
if (cpos < 54) { /* not home */
if (j + 6 >= n)
bct = 1;
else
bct = 2;
}
} else { /* three columns */
if (j + 10 >= n)
bct = 2;
else
bct = 3;
}
}
/* reposition cursor */
curmove(curr + cnext, curc - bct);
}
}
}
clrest () {
register int r, c, j;
r = curr;
c = curc;
for (j = r+1; j < 24; j++) {
curmove (j,0);
cline();
}
curmove (r,c);
}
void
roll(struct move *mm)
{
char c;
int row;
int col;
row = col = 0;
if (iroll) {
if (tflag) {
row = curr;
col = curc;
curmove(17, 0);
} else
writec('\n');
writel("ROLL: ");
c = readc();
if (c != '\n') {
while (c < '1' || c > '6')
c = readc();
mm->D0 = c - '0';
writec(' ');
writec(c);
c = readc();
while (c < '1' || c > '6')
c = readc();
mm->D1 = c - '0';
writec(' ');
writec(c);
if (tflag) {
curmove(17, 0);
cline();
curmove(row, col);
} else
writec('\n');
return;
}
if (tflag) {
curmove(17, 0);
cline();
curmove(row, col);
} else
writec('\n');
}
mm->D0 = rnum(6) + 1;
mm->D1 = rnum(6) + 1;
mm->d0 = 0;
}
void
gwrite(void)
{
int r, c;
r = c = 0;
if (tflag) {
r = curr;
c = curc;
curmove(16, 0);
}
if (gvalue > 1) {
writel("Game value: ");
wrint(gvalue);
writel(". ");
if (dlast == -1)
writel(color[0]);
else
writel(color[1]);
writel(" doubled last.");
} else {
switch (pnum) {
case -1: /* player is red */
writel(plred);
break;
case 0: /* player is both colors */
writel(nocomp);
break;
case 1: /* player is white */
writel(plwhite);
}
}
if (rscore || wscore) {
writel(" ");
wrscore();
}
if (tflag) {
cline();
curmove(r, c);
}
}
void
getout(int dummy __unused)
{
/* go to bottom of screen */
if (tflag) {
curmove(23, 0);
cline();
} else
writec('\n');
/* fix terminal status */
fixtty(&old);
exit(0);
}
void
refresh(void)
{
int i, r, c;
r = curr; /* save current position */
c = curc;
for (i = 12; i > 6; i--)/* fix positions 12-7 */
if (board[i] != oldb[i]) {
fixpos(oldb[i], board[i], 13, 1 + (12 - i) * 4, -1);
oldb[i] = board[i];
}
if (board[0] != oldb[0]) { /* fix red men on bar */
fixpos(oldb[0], board[0], 13, 25, -1);
oldb[0] = board[0];
}
for (i = 6; i > 0; i--) /* fix positions 6-1 */
if (board[i] != oldb[i]) {
fixpos(oldb[i], board[i], 13, 29 + (6 - i) * 4, -1);
oldb[i] = board[i];
}
i = -(off[0] < 0 ? off[0] + 15 : off[0]); /* fix white's home */
if (oldw != i) {
fixpos(oldw, i, 13, 54, -1);
oldw = i;
}
for (i = 13; i < 19; i++) /* fix positions 13-18 */
if (board[i] != oldb[i]) {
fixpos(oldb[i], board[i], 3, 1 + (i - 13) * 4, 1);
oldb[i] = board[i];
}
if (board[25] != oldb[25]) { /* fix white men on bar */
fixpos(oldb[25], board[25], 3, 25, 1);
oldb[25] = board[25];
}
for (i = 19; i < 25; i++) /* fix positions 19-24 */
if (board[i] != oldb[i]) {
fixpos(oldb[i], board[i], 3, 29 + (i - 19) * 4, 1);
oldb[i] = board[i];
}
i = (off[1] < 0 ? off[1] + 15 : off[1]); /* fix red's home */
if (oldr != i) {
fixpos(oldr, i, 3, 54, 1);
oldr = i;
}
curmove(r, c); /* return to saved position */
newpos();
buflush();
}
void
moverr(int i)
{
int j;
if (tflag)
curmove(20, 0);
else
writec('\n');
writel("Error: ");
for (j = 0; j <= i; j++) {
wrint(p[j]);
writec('-');
wrint(g[j]);
if (j < i)
writec(',');
}
writel("... ");
movback(i);
}
int
quit(struct move *mm)
{
if (tflag) {
curmove(20, 0);
clend();
} else
writec('\n');
writel("Are you sure you want to quit?");
if (yorn(0)) {
if (rfl) {
writel("Would you like to save this game?");
if (yorn(0))
save(mm, 0);
}
cturn = 0;
return (1);
}
return (0);
}
int
text(const char *const *txt)
{
const char *a;
char b;
const char *c;
int i;
fixtty(noech);
while (*txt) {
a = *(txt++);
if (*a != '\0') {
c = a;
for (i = 0; *(c++) != '\0'; i--)
; /* nothing */
writel(a);
writec('\n');
} else {
fixtty(raw);
writel(prompt);
for (;;) {
if ((b = readc()) == '?') {
if (tflag) {
if (begscr) {
curmove(18, 0);
clend();
} else
clear();
} else
writec('\n');
text(list);
writel(prompt);
continue;
}
i = 0;
if (b == '\n')
break;
while (i < 11) {
if (b == opts[i])
break;
i++;
}
if (i == 11)
writec('\007');
else
break;
}
if (tflag) {
if (begscr) {
curmove(18, 0);
clend();
} else
clear();
} else
writec('\n');
if (i)
return (i);
fixtty(noech);
if (tflag)
curmove(curr, 0);
}
}
fixtty(raw);
return (0);
}
fboard () {
register int i, j, l;
curmove (0,0); /* do top line */
for (i = 0; i < 53; i++)
fancyc ('_');
curmove (15,0); /* do botttom line */
for (i = 0; i < 53; i++)
fancyc ('_');
l = 1; /* do vertical lines */
for (i = 52; i > -1; i -= 28) {
curmove ( (l == 1? 1: 15) ,i);
fancyc ('|');
for (j = 0; j < 14; j++) {
curmove (curr+l,curc-1);
fancyc ('|');
}
if (i == 24)
i += 32;
l = -l; /* alternate directions */
}
curmove (2,1); /* label positions 13-18 */
for (i = 13; i < 18; i++) {
fancyc ('1');
fancyc ((i % 10)+'0');
curmove (curr,curc+2);
}
fancyc ('1');
fancyc ('8');
curmove (2,29); /* label positions 19-24 */
fancyc ('1');
fancyc ('9');
for (i = 20; i < 25; i++) {
curmove (curr,curc+2);
fancyc ('2');
fancyc ((i % 10)+'0');
}
curmove (14,1); /* label positions 12-7 */
fancyc ('1');
fancyc ('2');
for (i = 11; i > 6; i--) {
curmove (curr,curc+2);
fancyc (i > 9? '1': ' ');
fancyc ((i % 10)+'0');
}
curmove (14,30); /* label positions 6-1 */
fancyc ('6');
for (i = 5; i > 0; i--) {
curmove (curr,curc+3);
fancyc (i+'0');
}
for (i = 12; i > 6; i--) /* print positions 12-7 */
if (board[i])
bsect (board[i],13,1+4*(12-i),-1);
if (board[0]) /* print red men on bar */
bsect (board[0],13,25,-1);
for (i = 6; i > 0; i--) /* print positions 6-1 */
if (board[i])
bsect (board[i],13,29+4*(6-i),-1);
l = (off[1] < 0? off[1]+15: off[1]); /* print white's home */
bsect (l,3,54,1);
curmove (8,25); /* print the word BAR */
fancyc ('B');
fancyc ('A');
fancyc ('R');
for (i = 13; i < 19; i++) /* print positions 13-18 */
if (board[i])
bsect (board[i],3,1+4*(i-13),1);
if (board[25]) /* print white's men on bar */
bsect (board[25],3,25,1);
for (i = 19; i < 25; i++) /* print positions 19-24 */
if (board[i])
bsect (board[i],3,29+4*(i-19),1);
l = (off[0] < 0? off[0]+15: off[0]); /* print red's home */
bsect (-l,13,54,-1);
for (i = 0; i < 26; i++) /* save board position
* for refresh later */
oldb[i] = board[i];
oldr = (off[1] < 0? off[1]+15: off[1]);
oldw = -(off[0] < 0? off[0]+15: off[0]);
}
tutor () {
register int i, j;
i = 0;
begscr = 18;
cturn = -1;
home = 0;
bar = 25;
inptr = &in[0];
inopp = &in[1];
offptr = &off[0];
offopp = &off[1];
Colorptr = &color[0];
colorptr = &color[2];
colen = 5;
wrboard();
while (1) {
if (! brdeq(test[i].brd,board)) {
if (tflag && curr == 23)
curmove (18,0);
writel (better);
nexturn();
movback (mvlim);
if (tflag) {
refresh();
clrest ();
}
if ((! tflag) || curr == 19) {
proll();
writec ('\t');
}
else
curmove (curr > 19? curr-2: curr+4,25);
getmove();
if (cturn == 0)
leave();
continue;
}
if (tflag)
curmove (18,0);
text (*test[i].com);
if (! tflag)
writec ('\n');
if (i == maxmoves)
break;
D0 = test[i].roll1;
D1 = test[i].roll2;
d0 = 0;
mvlim = 0;
for (j = 0; j < 4; j++) {
if (test[i].mp[j] == test[i].mg[j])
break;
p[j] = test[i].mp[j];
g[j] = test[i].mg[j];
mvlim++;
}
if (mvlim)
for (j = 0; j < mvlim; j++)
if (makmove(j))
writel ("AARGH!!!\n");
if (tflag)
refresh();
nexturn();
D0 = test[i].new1;
D1 = test[i].new2;
d0 = 0;
i++;
mvlim = movallow();
if (mvlim) {
if (tflag)
clrest();
proll();
writec('\t');
getmove();
if (tflag)
refresh();
if (cturn == 0)
leave();
}
}
leave();
}
getmove () {
register int i, c;
c = 0;
for (;;) {
i = checkmove(c);
switch (i) {
case -1:
if (movokay(mvlim)) {
if (tflag)
curmove (20,0);
else
writec ('\n');
for (i = 0; i < mvlim; i++)
if (h[i])
wrhit(g[i]);
nexturn();
if (*offopp == 15)
cturn *= -2;
if (tflag && pnum)
bflag = pnum;
return;
}
case -4:
case 0:
if (tflag)
refresh();
if (i != 0 && i != -4)
break;
if (tflag)
curmove (20,0);
else
writec ('\n');
writel (*Colorptr);
if (i == -4)
writel (" must make ");
else
writel (" can only make ");
writec (mvlim+'0');
writel (" move");
if (mvlim > 1)
writec ('s');
writec ('.');
writec ('\n');
break;
case -3:
if (quit())
return;
}
if (! tflag)
proll ();
else {
curmove (cturn == -1? 18: 19,39);
cline ();
c = -1;
}
}
}
/* zero if first move */
void
move(int okay)
{
int i; /* index */
int l; /* last man */
l = 0;
if (okay) {
/* see if comp should double */
if (gvalue < 64 && dlast != cturn && dblgood()) {
writel(*Colorptr);
dble(); /* double */
/* return if declined */
if (cturn != 1 && cturn != -1)
return;
}
roll();
}
race = 0;
for (i = 0; i < 26; i++) {
if (board[i] < 0)
l = i;
}
for (i = 0; i < l; i++) {
if (board[i] > 0)
break;
}
if (i == l)
race = 1;
/* print roll */
if (tflag)
curmove(cturn == -1 ? 18 : 19, 0);
writel(*Colorptr);
writel(" rolls ");
writec(D0 + '0');
writec(' ');
writec(D1 + '0');
/* make tty interruptable while thinking */
if (tflag)
cline();
fixtty(noech);
/* find out how many moves */
mvlim = movallow();
if (mvlim == 0) {
writel(" but cannot use it.\n");
nexturn();
fixtty(raw);
return;
}
/* initialize */
for (i = 0; i < 4; i++)
cp[i] = cg[i] = 0;
/* strategize */
trymove(0, 0);
pickmove();
/* print move */
writel(" and moves ");
for (i = 0; i < mvlim; i++) {
if (i > 0)
writec(',');
wrint(p[i] = cp[i]);
writec('-');
wrint(g[i] = cg[i]);
makmove(i);
}
writec('.');
/* print blots hit */
if (tflag)
curmove(20, 0);
else
writec('\n');
for (i = 0; i < mvlim; i++)
if (h[i])
wrhit(g[i]);
/* get ready for next move */
nexturn();
if (!okay) {
buflush();
sleep(3);
}
fixtty(raw); /* no more tty interrupt */
}
void wrboard(void)
{
int l;
static const char bl[] = "| | | |\n";
static const char sv[] = "| | | | \n";
fixtty(&noech);
clear();
if (tflag) {
fboard();
goto lastline;
}
writel("_____________________________________________________\n");
writel(bl);
strcpy(ln, bl);
for (j = 1; j < 50; j += 4) {
k = j / 4 + (j > 24 ? 12 : 13);
ln[j + 1] = k % 10 + '0';
ln[j] = k / 10 + '0';
if (j == 21)
j += 4;
}
writel(ln);
for (i = 0; i < 5; i++) {
strcpy(ln, sv);
for (j = 1; j < 50; j += 4) {
k = j / 4 + (j > 24 ? 12 : 13);
wrbsub();
if (j == 21)
j += 4;
}
if (-board[25] > i)
ln[26] = 'w';
if (-board[25] > i + 5)
ln[25] = 'w';
if (-board[25] > i + 10)
ln[27] = 'w';
l = 53;
if (off[1] > i || (off[1] < 0 && off[1] + 15 > i)) {
ln[54] = 'r';
l = 55;
}
if (off[1] > i + 5 || (off[1] < 0 && off[1] + 15 > i + 5)) {
ln[55] = 'r';
l = 56;
}
if (off[1] > i + 10 || (off[1] < 0 && off[1] + 15 > i + 10)) {
ln[56] = 'r';
l = 57;
}
ln[l++] = '\n';
ln[l] = '\0';
writel(ln);
}
strcpy(ln, bl);
ln[25] = 'B';
ln[26] = 'A';
ln[27] = 'R';
writel(ln);
strcpy(ln, sv);
for (i = 4; i > -1; i--) {
for (j = 1; j < 50; j += 4) {
k = ((j > 24 ? 53 : 49) - j) / 4;
wrbsub();
if (j == 21)
j += 4;
}
if (board[0] > i)
ln[26] = 'r';
if (board[0] > i + 5)
ln[25] = 'r';
if (board[0] > i + 10)
ln[27] = 'r';
l = 53;
if (off[0] > i || (off[0] < 0 && off[0] + 15 > i)) {
ln[54] = 'w';
l = 55;
}
if (off[0] > i + 5 || (off[0] < 0 && off[0] + 15 > i + 5)) {
ln[55] = 'w';
l = 56;
}
if (off[0] > i + 10 || (off[0] < 0 && off[0] + 15 > i + 10)) {
ln[56] = 'w';
l = 57;
}
ln[l++] = '\n';
ln[l] = '\0';
writel(ln);
}
strcpy(ln, bl);
for (j = 1; j < 50; j += 4) {
k = ((j > 24 ? 53 : 49) - j) / 4;
ln[j + 1] = k % 10 + '0';
if (k > 9)
ln[j] = k / 10 + '0';
if (j == 21)
j += 4;
}
writel(ln);
writel("|_______________________|___|_______________________|\n");
lastline:
gwrite();
if (tflag)
curmove(18, 0);
else {
writec('\n');
writec('\n');
}
fixtty(&bg_raw);
}
/* zero if first move */
void
move(struct move *mm, int okay)
{
int i; /* index */
int l; /* last man */
l = 0;
if (okay) {
/* see if comp should double */
if (gvalue < 64 && dlast != cturn && dblgood()) {
writel(*Colorptr);
dble(); /* double */
/* return if declined */
if (cturn != 1 && cturn != -1)
return;
}
roll(mm);
}
race = 0;
for (i = 0; i < 26; i++) {
if (board[i] < 0)
l = i;
}
for (i = 0; i < l; i++) {
if (board[i] > 0)
break;
}
if (i == l)
race = 1;
/* print roll */
if (tflag)
curmove(cturn == -1 ? 18 : 19, 0);
writel(*Colorptr);
writel(" rolls ");
writec(mm->D0 + '0');
writec(' ');
writec(mm->D1 + '0');
/* make tty interruptable while thinking */
if (tflag)
cline();
fixtty(&noech);
/* find out how many moves */
mm->mvlim = movallow(mm);
if (mm->mvlim == 0) {
writel(" but cannot use it.\n");
nexturn();
fixtty(&raw);
return;
}
/* initialize */
for (i = 0; i < 4; i++)
cp[i] = cg[i] = 0;
/* strategize */
trymove(mm, 0, 0);
pickmove(mm);
/* print move */
writel(" and moves ");
for (i = 0; i < mm->mvlim; i++) {
if (i > 0)
writec(',');
wrint(mm->p[i] = cp[i]);
writec('-');
wrint(mm->g[i] = cg[i]);
makmove(mm, i);
/*
* This assertion persuades gcc 4.5 that the loop
* doesn't result in signed overflow of i. mvlim
* isn't, or at least shouldn't be, changed by makmove
* at all.
*/
assert(mm->mvlim >= 0 && mm->mvlim <= 5);
}
writec('.');
/* print blots hit */
if (tflag)
curmove(20, 0);
else
writec('\n');
for (i = 0; i < mm->mvlim; i++)
if (mm->h[i])
wrhit(mm->g[i]);
/* get ready for next move */
nexturn();
if (!okay) {
buflush();
sleep(3);
}
fixtty(&raw); /* no more tty interrupt */
}
